V-Lab
Vietnam Ho Chi Minh Stock Index / VN-Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
30.60%
decreased by 5.64%
1 Week
27.20%
decreased by 9.04%
1 Month
22.58%
decreased by 13.66%
Analysis last updated: Friday, July 24, 2026 at 11:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 12, 2010 to Apr 29, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.6514 | 41.10*** |
γ leverage Additional response to negative shocks | 0.2602 | 26.29*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0765 | 1.11 |
λ₂ forecast adj. Forecast performance sensitivity | 0.1122 | 1.79* |
λ₃ tau persistence Long-term factor persistence | 0.8288 | 8.29*** |
Persistence:
0.782
Half-life:
3 days
Other Vietnam Ho Chi Minh Stock Index / VN-Index Analyses
Other MF2-GARCH Analyses on Equity Indices